/*******************************************************************************
 * Copyright (c) 2001, 2004 IBM Corporation and others. All rights reserved. This program and the
 * accompanying materials are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html Contributors: IBM Corporation - initial API and
 * implementation Jens Lukowski/Innoopract - initial renaming/restructuring
 *******************************************************************************/
package org.eclipse.wst.sse.ui.internal.preferences;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Layout;

/**
 * Copied from JDT
 * 
 * @author pavery
 */
public class TabFolderLayout extends Layout {

  protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) {
    if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT)
      return new Point(wHint, hHint);

    Control[] children = composite.getChildren();
    int count = children.length;
    int maxWidth = 0, maxHeight = 0;
    for (int i = 0; i < count; i++) {
      Control child = children[i];
      Point pt = child.computeSize(SWT.DEFAULT, SWT.DEFAULT, flushCache);
      maxWidth = Math.max(maxWidth, pt.x);
      maxHeight = Math.max(maxHeight, pt.y);
    }

    if (wHint != SWT.DEFAULT)
      maxWidth = wHint;
    if (hHint != SWT.DEFAULT)
      maxHeight = hHint;

    return new Point(maxWidth, maxHeight);

  }

  protected void layout(Composite composite, boolean flushCache) {
    Rectangle rect = composite.getClientArea();

    Control[] children = composite.getChildren();
    for (int i = 0; i < children.length; i++) {
      children[i].setBounds(rect);
    }
  }
}
